International Journal of Advanced Engineering, Management and Science (IJAEMS) https://dx.doi.org/10.24001/ijaems.3.12.6
[Vol-3, Issue-12, Dec- 2017] ISSN: 2454-1311
Adaptations to Soil Erosion: A Review Igwe, P.U.*, Nwezi, C.C., Echendu, J.E., Chukwunyere, I.C., Okonkwo, N.J. Department of Environmental Management, Chukwuemeka Odumegwu Ojukwu University, P.M.B. 02, Uli, Anambra State, Nigeria *University, P.M.B. 02, Uli, Anambra State, Nigeria, Email: Corresponding Author 1 Igwe, P.U. Email: greenscenarioservices2100@gmail.com, Phone: +2348037793757 Abstract—Soil erosion which is now one of the impacts of climate change due to increased precipitation events across the globe needs adaptations for adjusting to the actual and expected change in its occurrence more than mechanical/engineering measures for the management of the phenomenon. The objective of this paper is to conduct an in-depth review of adaptation strategies to soil erosion. The research made a review of academic/journal articles, internet materials, news articles, conference papers, books and publicly available materials on adaptations to soil erosion. From the review, most authors have a unity of opinion on adaptive strategies to soil erosion, including the use of mulching, cover cropping, reduced tillage, contour bonds, tree planting, wood logs and ploughing across the slope as they have been found to increase soil yield and reduce soil loss as well as its accompanying adverse impacts. Recommendations of the study includes: (1) enhancement of the existing adaptive measures; (2) a shift from rainfed agriculture to dry season farming; (3) training the affected people on adopting the adaptive measures which are currently ignored in most communities; and (4) encouragement of the participation of land holders through grants in soil erosion management based on the adaptive techniques. Keywords— Adaptive Measures, Climate Change, Environmental Sustainability, Rainfall, Review, Soil Erosion. I. INTRODUCTION Soil is an important natural resource which when effectively managed could increase the livelihoods of households in sedentary agricultural communities (Bukari, 2013). Soil erosion is recognized as one of the world's most serious environmental problems, globally about 80% of the current degradation of agricultural land is caused by soil erosion (Mohamed 2015). Jing, Wang and Zheng (2005) were of the opinion that soil erosion is a serious environmental, economic and social problem; it does not only cause land degradation and soil productivity loss, but also threatens the stability and health of society
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in general and sustainable development of rural areas in particular. Shougang and Ruishe (2014) opined that soil erosion is one of the most serious environmental problems in the world today because it threatens agriculture and also the natural environment. Soil erosion in the African continent as a whole has caused an average annual crop yield decline of 8.2% and 6.2 for Sub-Saharan African and that if higher soil erosion rates continue unabated average possible food production will drop (Pimentel, 2006). Soil erosion is a natural geomorphologic process resulting from water and land interactions but accelerated to become an environmental hazard by human activities such as clearing of forests for cultivation, poor farming practices and encroachment into marginal lands (Farayi, 2011). Denton (2000) defined soil erosion as the physical wearing of the earth’s surface by the action of water or wind, it has been occurring for some 450million years, since the first land plants formed the first soil. Soil erosion is the removal of topsoil than the soil forming processes can replace it, due to natural, animal and human activities such as over grazing, over cultivation, deforestation and mechanical farming (Francis, 2012). Soil erosion is an accelerated process under which soil is bodily displaced and transported away faster than it can be formed (Igbokwe, Akinyede, Dang, Ono, Nnodu and Anike, 2008) Favis-Mortlock (2005) opined that there are two main types of soil erosion; geological and accelerated soil erosion, geological soil erosion happens at the same rate as soil is formed while accelerated soil erosion is the loss of soil at a much faster rate than it is formed. On the basis of causes of soil erosion; it can be classified as erosion by gravity, water splash, erosion due to rain water, rill, gully and stream bank erosion due to the action of flowing water (Madhu, 2008). Agents of soil erosion could either be wind, water, ice, waves and gravity, depending on the external dynamic agent that generates detachment, transportation and deposition of soil particles (Junge, Abaidoo, Alibi and Starhr, 2007).The rate and magnitude of soil erosion is
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International Journal of Advanced Engineering, Management and Science (IJAEMS) https://dx.doi.org/10.24001/ijaems.3.12.6 affected by rainfall intensity and runoff, soil erodibility, slope gradient and length, vegetation, and control treatments (Ritter, 2012). Soil erosion is influenced by natural and anthropogenic factors; natural factors influencing soil erosion are soil texture, soil structure, rainfall intensity, slope, soil type, climate, erosivity, erodibility and by the covering degree of the soil with vegetation, but most importantly by anthropogenic factors, through actions such as land cultivation, deforestation, construction (Kirchof and Salako, 2012).Adaptation refers to the process of adjusting to actual or expected climate change and its impacts (Quandt and Kimathi, 2016). The appropriateness of a particular adaptation strategy is highly dependent on time and place as they are influenced by the cultural and indigenous observations and practices (Obert, Paramu, Chipo and Owen, 2016). Some of the adaptive strategies to reduce the effects of soil erosion include shifting cultivation, ridging across slopes, planting on raised mounds and avoidance of deep ploughing (Bukari, 2013). His work further revealed that farmers who successfully applied the traditional methods improved upon their output levels per land area and the standards of living of their families. This study focuses on adaptations to soil erosion so as to build in sustainability into management of the phenomenon. 1.1 Statement of the Problem The efforts to eradicate poverty, which is one of the Millennium Development Goals (MDGs), can only succeed when soil erosion is kept to a minimum (Pimentel, 2006). Soil erosion is common in all areas of the world, but developing countries suffer more because of the inability of their farming populations to replace lost soils and nutrients (Mohamed, 2015). He further stated that soil is one of the natural resources on Planet Earth, but though soil is a renewable natural resource, yet it can become finite, with the passage of time, through its degradation. Phatak, Dozier, Bateman, Brunson and Martini (2002) opined that globally it has been estimated that about 1.1 billion hectares of land is affected by soil erosion, with annual global loss of agricultural land due to erosion estimated at 3 million hectares (Woreka, 2004). Behera and Panda (2009) stated that it is impossible to achieve food security without overcoming the problem of nutrient depletion. The continuation of high soil erosion will eventually lead to a loss in crop production even though fertilizers and other inputs often result in increased yield in the shortterm (Pathak, Wani and Sudi, 2005). Francis (2012) asserted that soil erosion results in infertility and lead to desertification and devastating flooding. Soil erosion impacts negatively on crop productivity and environmental quality and depresses the
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[Vol-3, Issue-12, Dec- 2017] ISSN: 2454-1311
socio-economic status of lithosphere; it is therefore a threat to the landowners’ livelihoods as well as the overall health of an ecosystem (Egbai, Eric and Ogogo, 2012). 1.2 Objective The objective of this paper is to conduct a review of adaptations to soil erosion. II.
CONCEPTUAL FRAMEWORK: ENVIRONMENTAL SUSTAINABILITY This research is based on the concept of environmental sustainability. Environmental sustainability is defined as a condition of balance, resilience, and interconnectedness that allows human society to satisfy its needs while neither exceeding the capacity of its supporting ecosystems to continue to regenerate the services necessary to meet those needs nor by our actions diminishing biological diversity (Morelli, 2011). From this definition, it can be distilled that the major goal of environmental sustainability is to achieve sustainable development. The World Conference on Environment and Development (WCED) (1987) defined sustainable development as development that meets the needs of the present without compromising the ability of future generations to meet their own needs. Adaptations to soil erosion will reduce the adverse impacts of the phenomenon on the environment and socio-economic conditions of the affected people. Therefore, this study is set to review adaptations to soil erosion with a view to making recommendations that will build in sustainability into soil erosion management. III. METHOD The researchers gathered 39 materials for the research and summarized the characteristics of 10 deemed to be more relevant to adaptations to soil erosion in the review. This literature research made a review of academic/journal articles, internet materials, news articles, conference papers, books and publicly available materials on adaptations to soil erosion. This enabled the researchers to make a synthesis of various researchers’ views on adaptations to soil erosion. IV. LITERATURE REVIEW Soil erosion is a worldwide natural disaster and a number of studies have been undertaken with a view to grasp a clear understanding of its origin, processes, factors, effects and control (Hughes, Prosser, Stevenson, Scott, Lu, Gallatand Morgan, 2001). Globally, about 80% of the current degradation of agricultural land is caused by soil erosion (Angima, Scott, O’neil, Ong and Weesies, 2003).
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International Journal of Advanced Engineering, Management and Science (IJAEMS) https://dx.doi.org/10.24001/ijaems.3.12.6 Wakindiki, Rungumaand Mochoge (2000) studied local adaptations to soil erosion in Tharalm Kenya, and found out that farmers had developed ingenious soil and water conservation practices in response to soil erosion and low soil moisture. According to them, the main indigenous adaptation methods used were intercropping, trash lines, stone bunds, minimum tillage and grass strips. They also discovered that farmers' decision to adapt a particular technique was influenced by the technique's ability to control runoff, associated crop yield increment, farming system, availability of the raw material, and the labour requirement. Mgbenka, Nicholas, Igbokwe and Ebe (2012) studied soil and water conservation in Eastern Region of Nigeria and stated that the adaptive soil erosion control measures are water-harvesting, grass strips, crop rotation, planting trees and shrubs. Troeh, Hobbs and Donahue (2014), in their book on soil and water for productivity and environmental protection, stated some techniques for adaptation to soil erosion which include biomass mulches, crop rotations, no-till, ridge-till, added grass strips, shelterbelts, contour rowcrop planting, and various combinations of these. Basically all of these techniques require keeping the land protected from wind and rainfall energy by using some form of biomass cover on the land which means either leaving most of the crop residues on the cropland or planting cover vegetation on a harvested cropland. An Assessment of Farmers’ perception and adaptation mechanism to soil erosion by Abiy, Getahunand Genene (2015) in Ethiopia showed that farmers in the area were mainly annual crop producers on slope farmland with traditional adaptation methods and most of the farmers use contour farming, furrow making, residue laying on farmland, and strip cropping methods for maize sowing during furrow making (gulgualo), trash line (gilalo )and contour farming methods for millet and chili pepper sowing. Mohamed (2015) studied the causes the effects of soil erosion in Somaliland and stated that the major local adaptation to soil erosion in that area was crop rotation which is designed for nutrient cycling and reduced tillage. Eze and Osahon (2016) studied the perception of soil erosion control in Southeast, Nigeria and reported that the farmers controlled erosion using techniques like mixed cropping, strip cropping and tie ridging. Bukari, (2013) conducted a research on indigenous perceptions and adaptations to soil erosion in Zampe community of Bole, Ghana and noted that some of the
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[Vol-3, Issue-12, Dec- 2017] ISSN: 2454-1311
adaptive strategies to reduce the effects of soil erosion include shifting cultivation, ridging across slopes, planting on raised mounds and avoidance of deep ploughing. The most important and common strategy to control soil erosion in the tropics and sub-tropics is convincingly known as conservation tillage (Erenstein 2003). The causes and effects of soil erosion were assessed by Balasubramania, (2017) in Mysore who came up with adaptation methods used by individuals to control soil erosion which were: crop rotation, reduced tillage, mulching, and cover cropping. Edward and Simon (2001) noted that conservation, minimum tillage, mulches and cover crops prevent runoff initiation by intercepting raindrops in a handbook of processes and modelling in the soil-plant system. Dimelu, Ogbonna and Enwelu (2013) studied the soil erosion conservation practices in Enugu, and the results showed that the soil conservation techniques used as adaptive measures were crop rotation, mulching, liming, contour bonds and terracing. They noted that the farmers that practised crop rotation and mulching had a significant increase in their crop yield and this conservation practice was encouraged for increased production, income for farmers and enhanced food security for the nation. Ina study conducted in Kogi by Onu and Mohamed (2014) on soil erosion prevention and control, it was revealed that mulching, cover cropping, strip cropping and contour bonding were the local controls for soil erosion. Tesfaye and Kasahun (2015) studied the soil erosion control practices in Oromia, Ethiopia and stated that the control measures used were crop rotation, compost, animal manure and intercropping.David and Michael (2013) carried out a literature review ofsoil erosion threats to food production and asserted that the control measures taken to by the local people were biomass mulches, crop rotation, no-till, ridge-till, added grass strips, shelterbelts and contour row-crop planting. A study on the perception of soil erosion problems and conservation in Ghana by Farida and Fariya (2015) showed that use of stone bunds, local grass, tree planting, drainage, ploughing, trench and wood logs were adaptive measures to the phenomenon. They noted that the local conservation methods increased yield because soil erosion was reduced. In a study by Eze and Mbah (2013) on challenges to soil erosion control measure in Anambra State Nigeria, it was revealed that the major adaptive control measures by the farmers were strip cropping and making ridges across the slope.
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Table.1: Summary of Characteristics of some of the Studies that Describe Adaptations to Soil Erosion Author(s) Topic of Method(s) Results Recommendations Conclusion Research Abiy, Getahun and Assessment of Direct The results Farmers whose land The very Genene (2015). Farmers’ observation, showed that slope is more than sloping nature Perception and Interview, farmers used 8% should get of the study Adaptation Structured traditional continuous area has to be Mechanism to questionnaire. adaptation awareness creation given due Soil Erosion methods such training at Farmers emphasis and Problem in as contour Training Centres priority for an Shomba farmingfurrow (FTCs). The training appropriate Kichib, making, residue should also focus on designed soil Gimbo laving on the role of integrating and water District, Kaffa farmland, and physical and conservation Zone, South strip cropping biological soil and practices. West Ethiopia. for maize water conservation sowing. practices. Balasubramanian Soil Erosion – Focus group Soil Soil conservation Soil erosion (2017). Causes and discussion, conservation practices are tools the remains a key Effects in Review of practices farmer can use to challenge for Mysore. literatures. farmers use to prevent soil agriculture in cub soil degradation and several erosions were build organic matter. countries. crop rotation, Proper reduced tillage, management of mulching, cover this valuable cropping and resource is cross-slope vital to sustain farming. long-term agricultural productivity. Bukari (2013). Indigenous Focus group The findings Modern agricultural It was revealed Perceptions of discussion, indicated that extension services that farmers Soil Erosion, Questionnaire. some of the were needed, not to who Adaptations adaptive replace, but to successfully and strategies to complement the local applied the Livelihood reduce the knowledge systems traditional Implications: effects of soil in order to ensure methods The Case of erosion sustainability. improved upon Maize included their output Farmers in the shifting levels per land Zampe cultivation, area and the Community of ridging across standards of Bole in the slopes, planting living of their Northern on raised families. Region of mounds and Ghana. avoidance of deep ploughing. Dimelu, Ogbonna Soil Interview. Most of the The farmers who The and Enwelu Conservation farmers used practised crop conservation (2013). Practices conservation rotation and practice holds a among Arable practices such mulching had a great potential Farmers in as crop rotation, significant increase for increased Enugu North mulching, in yield, so more production, Agricultural liming, contour farmers should adopt income for zone, Nigeria. bonds and it. farmers and terracing. enhanced food security for the nation.
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International Journal of Advanced Engineering, Management and Science (IJAEMS) https://dx.doi.org/10.24001/ijaems.3.12.6 S/N
Author(s)
Topic of Research Soil Erosion Threatens Food Production
Method(s)
5
David and Michael (2013).
6
Farida and Fariya (2015).
Farmers’ Perception on Soil Erosion Problems and Conservation Methods among Rural Farmers in TalensiNabdam, East Region of Ghana.
Interview.
7
Mohamed (2015).
Cause and Effect of Soil Erosion in Boqol-jire Hargeisa, Somaliland
Review literatures, Interviews.
8
Onu and Mohamed (2014).
Competency Improvement needs of Farmers in Soil Erosion Prevention and Control
Survey, Interviews, Questionnaire.
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Review literatures.
of
of
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Results
Recommendations
Conclusion
Soil conservation techniques including biomass mulches, crop rotations, notill, ridge-till, added grass strips, shelterbelts, contour rowcrop planting, and various combinations of these were the adaptive measures from works reviewed.
Basically all the adaptive techniques should be employed for the land to be protected from wind and rainfall energy by using some forms of biomass cover on the land which means either leaving most of the crop residues on the cropland or planting cover vegetation on a harvested cropland.
The conservation method adopted by the farmers include; stone bunds, grass, manure, local grass, tree planting, drainage trench, wood logs and ploughing across the slope. Crop rotations are designed for nutrient cycling, integrated pest management is applied for the prevention of pests, and reduced tillage is carried out for soil conservation. The study showed that farmers used mulching, cover cropping, strip cropping and contour
The conservation process increased soil yield, so more of this method should be adopted by more individuals in the area, so as to stop the soil erosion menace.
Worldwide, soil erosion continues unabated while the human population continues to increase rapidly and 66% of the world population is now malnourished. If soil conservation is ignored and population control is ignored, more malnourished people and more deaths will occur. If soil conservation is ignored there will be loss of soil and reduced food production.
Crop rotation should be practised by all farmers to ensure nutrient cycling.
Farmers’ perception and attitudes towards soil erosion and conservation practices is decisive in protecting soil losses from erosion.
Rural-based programmes should be held for the competencies in soil erosion prevention and control for increased crop
Soil erosion prevention is much better however when it happens proper conservation
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Author(s)
9
Tesfaye and Kasahun (2015).
10
Wakindiki, Runguma and Mochoge (2000).
Topic of Research for Enhancing Crop Production in Kogi State, Nigeria. Assessment on Farmers’ Practices in Soil Erosion Control and Soil Fertility Improvement in rift Valley Areas of East Shoa and West Arsi Zones of Oriomia, Ethopia. Technical Note on Local Adaptations to Soil Erosion and Low Soil Moisture in the Semiarid Tharaka District, Kenya.
Method(s)
Results bonding control erosion.
to soil
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Recommendations
Conclusion
production.
measures should be consistently used.
Interview.
To tackle the problem a good number of farmers used measures such as crop rotation, compost, animal manure and intercropping to adapt to soil erosion.
Participatory soil and water conservation mechanism involving farmers should be implemented taking into consideration farmers’ decision on soil and water conservation activities more fruitful and sustainable.
It was discovered that deforestation is the major cause of soil erosion in that area, so it should be controlled.
Personal interview, Direct observation, Workshop discussion, Structured questionnaire.
Soil and water conservation practices in response to soil erosion and low soil moisture, the main indigenous methods used were intercropping, trash lines, stone bunds, minimum tillage and grass strips.
Sustainable soil and water conservation programmes should incorporate indigenous soil and water conservation.
Generally farmers' decision to adopt a particular technique was influenced by the technique's ability to control runoff, associated crop yield increment, farming system, availability of the raw material, and the labour requirement.
Source: Researchers’ design, 2017. V. RESULTS AND DISCUSSION Adaptations to soil erosion become very necessary in the face of high costs of mechanical/engineering techniques which are not within the reach of the affected people and landholders. From Table 1 which summarizes the characteristics of some of the studies reviewed in this research, the topics of all the studies capture adaptation to soil erosion and also made use of standard methods for carrying out research such as observation, interview, questionnaire and focus group discussion. Almost all the researchers across the globe (eg. Abiy, Getahum and Genene, 2015; Balasubramanian, 2017; Bukari, 2013; Dimelu, Ogbonna, Enwelu, 2015; Farida and Fariya,
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2015) have a unity of opinion on adaptive measures for soil erosion, including strip cropping, crop rotation, wood logs, ploughing across the slope, mulching and contour bonding which are indigenous methods affordable by the affected people in various communities. Based on the results of the studies, they made a number of recommendations that would help in the encouragement and enhancement of adaptive measures for soil erosion management. Such recommendations include participatory soil and water conservation programmes (eg. Wakindiki, Runguwa and Mochoge 2000; Tesfaye and Kasahun, 2015) and practice of crop rotation by all farmers to improve nutrients enrichment of soils that
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International Journal of Advanced Engineering, Management and Science (IJAEMS) https://dx.doi.org/10.24001/ijaems.3.12.6 enhances water retention capacity and reduces incidence of soil erosion. It is noteworthy that none of the studies came up with a recommendation on adaptation that is climate change related given the fact that the exposure of the soil during the climate change-induced due to agricultural practices which increases the incidence of soil erosion.
VI. RECOMMENDATIONS Soil erosion is one of the environmental phenomena to which the adage: “Prevention is better than cure” is most applicable. A number of terrified such as the bad levels of Loess Plateau China, Dustbowl of Arizona and Dakata in US and Agulu-Nnaka-Oko in Anambra State Nigeria would not have arisen if adequate adaptive measures were taken to manage them by the affected people at their early stage of formation. In light of this background and based on the results of this review that the following recommendations have been made; 1. Increasing vegetation cover of soils in this climatic change-driven 21st century characterized by increased incidences of rainfall is very expedient so as to reduce the power of rainfall to induce soil erosion. To this end, laws for afforestation and against deforestation should be enacted by governments with provisions to punish offenders adequately. 2. Shifting from rain-fed agriculture to dry season farming becomes necessary to avoid tillage of soils during the rains which predisposes them to the impact of raindrops and runoff that detaches and transports soil particles respectively in the rain splash-sheet-rill-gully erosion processes. 3. Both the affected people and the landholders should be empowered through grants from governments, donor agencies and non-governmental organization (NGOs) to manage soil erosion using adaptive measures at an early stage in the development of soil erosion. This will ensure their participation as major stakeholders in their soil erosion management process. 4. Creation of awareness generally among the populace on human actions and inactions that trigger soil erosion and the consequences of their activities is a veritable tool to the management of the menace. Training and sensitization in soil erosion management should include agricultural practices that uncover the soil and expose it to the erosive power of rainfall.
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VII. CONCLUSION From the review of many studies on adaptations to soil erosion across the globe, the study concludes that the management of soil erosion should be driven by the affected people and the landholders who know when the menace starts developing on their lands and at such can easily apply the indigenous knowledge to stem the occurrence of the phenomenon. To achieve this, there major stakeholders should be given grants and be made to pay a little counterpart funds as part of their commitment. VIII. ACKNOWLEDGEMENT We appreciate the grace and empowerment of God Almighty who has been our source of strength from beginning to completion of this work. We also commend the effort of the relations, friends and well- wishers of the authors who contributed both financially and otherwise for making this review a success. Our gratitude extends to the Vice chancellor and the entire stakeholders of Chukwuemeka Odumegwu Ojukwu University, Uli, Anambra State, Nigeria for providing a platform for the study of Environmental Management. To all the lecturers, head of department and dean of the Environmental Sciences, we appreciate their collective efforts in making sure that the goal of environmental management is achieved in the institution. We are highly indebted to the chief author, Mr. Igwe, P.U. for his tireless effort towards an extensive research on the materials used for the review. We cannot fail to commend and appreciate the works of various authors used for the review. Finally, we thank the entire students of Environmental Management especially her final year students for their support throughout the review. REFERENCES [1] Abiy, G., Getahun, Y., and Genene, M. (2015). Assessment of Farmers’ Perception and Adaptation Mechanism to Soil Erosion Problem in Shomba Kichib, Gimbo District, Kaffa Zone, South West Ethiopia. African Journal of Agricultural Research, 10(27): 2608 – 2616. [2] Ahnert, F. (2003). Einfuihurung in Die Geomorphologie, 3rd Edition, UTB. [3] Angima, S.D., Stott, D.E., O’Neil, M.K., Ongi, C.K., and Weesies, B.A. (2003). Soil Erosion Prediction Using RUSLE for Central Kenya Highland Conditions. Agriculture Ecosystem and Environment, 5: 95-308. [4] Balasubramanian, A. (2017). Soil Erosion: Causes and Effects in Mysore. Accessed at: https://www.researchgate.net/publication/314500264 , 15th November, 2017.
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International Journal of Advanced Engineering, Management and Science (IJAEMS) https://dx.doi.org/10.24001/ijaems.3.12.6 [5] Behera, S.K., and Panda, R.K. (2009). Effect of Fertilization and Irrigation Schedule on Water and Fertilizer Solute Transport for Wheat Crop in a SubHumid and Sub-Tropical Region. Agriculture, Ecosystems and Environment, 130: 141-155. [6] Bukari, F.I.M. (2013). Indigenous Perceptions of Soil Erosion, Adaptations and Livelihood Implications: The Case of Maize Farmers in the Zampe Community of Bole, Ghana. Journal of Natural Resources and Development, 3: 114-120. [7] David, P., and Michael, B. (2013). Soil Erosion Threatens Food Production. Journal of Agriculture3: 443-463. [8] Denton, P. (2000). Erosion Control and Storm Water Quality from Straw with Mulch and Composite Blanket of Varying Particle Size. Journal of Soil and Water Conservation, 62(6): 23-31. [9] Dimelu, M.U., Ogbonna, S.E., and Enwelu, I.A. (2013). Soil Conservation Practices among Arable Farmers in Enugu-North Agricultural Zone, Nigeria: Implication for Climate Change. Journal of Agricultural Extension 17 (1): 184 – 196. [10] Edward, L. S., and Simon, J. D. (2001). Soil Erosion and Conservation, Handbook of Processes and Modelling in the Soil-Plant System pp. 23 – 30. [11] Egbai, O.O., Ndik Eric., J.I. and Ogogo, A.U. (2002). Influence of Soil Textural Properties and Land use Cover Type on Soil Erosion in Betem, Cross River State, Nigeria. Journal of Sustainable Development, 5(7): 104-110. [12] Erenstein, O. (2003). Smallholder Conservation Farming in the Tropics and Sub-tropics: A Guide to the Development and Dissemination of Mulching with Crop Residues and Cover Crops. Agriculture, Ecosystems & Environment, 10 (1):17-37. [13] Eze, S.O., and Mbah, E.N. (2013). Challenges to Soil Erosion Control Measures among Farmers in Anambra State, Nigeria: Implications for Extension Policy. IJASRT in EESs, 3(4): 199-227. [14] Eze, S.O., and Osahon, E.E. (2016). Farmers Perception to Soil Erosion Control Measure: Implication for Sustainable Development in Agriculture and Environment in Southeast, Nigeria. Journal of Life Science, 10: 161-169. [15] Farayi, D. (2011). Spatial Soil Erosion Hazard Assessment and Modelling In Mbire District, Zimbabwe: Implications for Catchment Management. M.Sc. Thesis Submitted To the University of Zimbabwe. [16] Farida, A., and Fariya, A. (2015). Farmers’ Perception on Soil Erosion Problems and Conservation Methods among Rural Farmers in
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Talensi-Nabdam Districts of Upper East Region of Ghana. Academic Research Journal, 3 (5): 96 – 101. [17] Favis- Mortlok, D.T. (2005). Soil Erosion. Journal of Environment Quality, 23(2): 452-460. [18] Francis, O.A. (2012). The Intensity of Wet Years in the Sudano-Shelian Region of Nigeria. Continental Journal of Environmental Sciences, 6(2): 44-53. [19] Hughes, A.O., Prosser, P.I., Stevenson, J., Scott, A., Lu, H., Gallant, J., and Moran, C.J. (2001). Gully Density Mapping for Australian River Basins. Technical Report. [20] Igbokwe, J. I., Akinyede, J. O., Dang, B., Ono, M. N, Nnodu, V. C., and Anike, L. O. (2008). Mapping and Monitoring of Impact on Gully Erosion in South Eastern Nigeria. Paper presented at the Department of Surveying and Geomatics, Nnamdi Azikwe University, Awka, Anambra State. [21] Jing, K., Wang, W.Z., and Zheng, F.L. (2005). Soil Erosion and Environment in China. Science Press, Beijing p. 359. [22] Junge, B., Abaidoo, R., Chikoye, D., Alabi, T. and Stahr, K. (2006).Monitoring of Land Use Infiltration and Linkage to Soil Erosion in Nigeria and Benin. Conference on International Agricultural Research for Development, p.41. [23] Kirchlof, G., and Salako, F.K. (2008). Residual Tillage and Bush Fallow Effects on Soil Properties and Maize Intercropped with Legumes on a Tropical Alfisol. Journal of Soil Use and Management, 16: 183-188. [24] Madhu, S.P. (2008). Rainfall Energy Loss Model in Soil Erosion Process. Thesis submitted to School of Engineering, University of Western Sydney, pp. 1215. [25] Mgbenka, R.N., Nicholas, O., Igbokwe, E.M., and Ebe, F. (2012). Soil and Water Conservation Capabilities among Farmers and Extension Agents in Eastern Region of Nigeria. African Journal of Agricultural Research, 7(1): 58-67. [26] Mohamed, H.H. (2015). Cause and Effect of Soil Erosion in Boqol-Jire Hargeisa, Somaliland. Ph.D Thesis, University of Hargeisa, Somalia. [27] Morelli, J. (2011). Environmental Sustainability: A Definition for Environmental Professionals. Journal of Environmental Sustainability, 1: 1-27. [28] Obert, J., Paramu L., Mafongoya, C., Chipo, M., and Owen M. (2016). Seasonal Climate Prediction and Adaptation using Indigenous Knowledge Systems in Agriculture Systems in Southern Africa: A Review. Journal of Agricultural Science, 2(1): 23-27. [29] Onu, F.M., and Mohamed, A. (2014). Competency Improvement Needs of Farmers in Soil Erosion
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International Journal of Advanced Engineering, Management and Science (IJAEMS) https://dx.doi.org/10.24001/ijaems.3.12.6
[Vol-3, Issue-12, Dec- 2017] ISSN: 2454-1311
Prevention and Control for Enhancing Crop Production: Case Study of Kogi State, Nigeria. Journal of Agricultural Science 5: 958 - 963. [30] Pathak P, Wani, S.P. And Sudi R. (2005) International Crops Research Institute for the SemiArid Tropics:Global Theme on Agroecosystems. Gully Control in SAT Watershedsp. 28. [31] Phatak, S.C., Dozier, J.R., Bateman, A.G., Brunson, K.E., and Martini, N.L. (2002). Cover Crops and Conservation Tillage in Sustainable Vegetable Production. In: VanSanten, E. Research Proceedings of the 25th Annual Southern Conservation Tillage Conference for Sustainable Agriculture, pp. 401403. [32] Pimeutel, D. (2006). Soil Erosion: A Food and Environmental Threat. Journal ofEnvironment and Development Sustainability,31:119 – 137. [33] Quandt, A., and Kimathi, Y. A. (2016). Adapting Livelihoods to Floods and Droughts in Arid Kenya: Local Perspectives and Insights. African Journal of Rural Development, 1(1): 51-60. [34] Shougang, Z., and Ruishe, Q. (2014). The Application and Study of GIS in Soil Erosion Model. Advances in Sciences and Engineering, 6(2):31-34. [35] Tesfaye, G., and Kashun, K.H. (2015). Assessment of Farmers’ Perception on Soil Erosion and Soil Fertility Improvement in Rift Valley Areas of East Shoa and West Arid Zones of Oromia, Ethopia. [36] Troeh, F.R., Hobbs, A.H., and Donahue, R.L. (2004). Soil and Water Conservation: ForProductivity and Environmental Protection. Prentice Hall: Upper Saddle River, NJ, USA. [37] Wakindiki, I. I.C., Runguma, D., and Mochoge, B.O. (2000). Technical Note on Local Adaptations to Soil Erosion and Low Soil Moisture in the Semiarid Tharaka District, Kenya. Tanzania, Journal of Agricultural Science, 3 (1): 75-80. [38] World Commission for Environment and Development (WCED) (1987) Our Common Future. Oxford University Press.
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